package com.bdqn.aop;
import org.apache.log4j.Logger;
import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.annotation.AfterReturning;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Before;
import java.util.Arrays;
/**
 * 使用注解定义切面
 */
@Aspect
public class UserServiceLogger {
    private static final Logger log = Logger.getLogger(UserServiceLogger.class);

    @Before("execution(* com.bdqn.service.UserService.*(..))")
    public void before(JoinPoint jp) {
        log.info("调用 " + jp.getTarget() + " 的 " + jp.getSignature().getName() + " 方法，方法入参 " + Arrays.toString(jp.getArgs()));
    }

    @AfterReturning(pointcut = "execution(* com.bdqn.service.UserService.*(..))", returning = "result")
    public void afterReturning(JoinPoint jp, Object result) {
        log.info("调用 " + jp.getTarget() + " 的 " + jp.getSignature().getName() + " 方法. 方法返回值是 " + result);
    }
}